I have a float variable and it is value 2.3456533424. I want to use that variable like 2.34 or 2.345. How I change float number precision?
I want to this change use a different numeric operation. I dont want to use like string.
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2Use how? To print to screen? To use in an expression? – mascoj Jan 05 '17 at 23:22
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I do not convert this value string format. I use the float value with new value to numeric operations. – harzemli Jan 05 '17 at 23:28
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Use `std::round(x * 100) / 100`. – HolyBlackCat Jan 05 '17 at 23:42
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you can use setPrecision(int) where the int is the number of places you want to use.
jeristotle
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